Decimal Prefixes
| Symbol | Prefix | Multiplication factor |
| Y | yotta | 1024 |
| Z | zetta | 1021 |
| E | exa | 1018 |
| P | peta | 1015 |
| T | tera | 1012 |
| G | giga | 109 |
| M | mega | 106 |
| myria | 104 | |
| k | kilo | 103 |
| h | hecto | 102 |
| da | deca | 10 |
| d | deci | 10-1 |
| c | centi | 10-2 |
| m | milli | 10-3 |
| μ | micro | 10-6 |
| n | nano | 10-9 |
| p | pico | 10-12 |
| f | femto | 10-15 |
| a | atto | 10-18 |
| z | zepto | 10-21 |
| y | yocto | 10-24 |
Subjects: Physics